Hydraulic pump



FIG. 1 is a front view of a hydraulic pump according to the claimed design.

FIG. 2 is a bottom view of the hydraulic pump.

FIG. 3 is a top view of the hydraulic pump.

FIG. 4 is a rear view of the hydraulic pump.

FIG. 5 is a left side view of the hydraulic pump.

FIG. 6 is a right side view of the hydraulic pump; and,

FIG. 7 is a top-left-front perspective view of the hydraulic pump.

The broken lines in the drawings enclose portions of the hydraulic pump that form no part of the claimed design. 

CLAIM The ornamental design for a hydraulic pump, as shown and described. 